An interesting notion. The closer you are to sea level, the denser the air. The speaker is actually moving more mass the closer to sea level you get. And if you lived on a mountain at 10,000 ft. The air would be very thin, and the speakers would be moving far less mass than the same speakers at sea level. But, it should affect all speakers equally? But perhaps, the closer to sea level the easier it is to make extended bass?
It may all be minor compared to early reflections from the floor and walls, ceiling. Placing your speakers up high minimizes the early floor reflection, reducing boominess, tilting balance upward. Of course, this depends on which speaker you’re using, as to if this is good or bad. At some height you begin to have an early ceiling reflection, flip your speakers upside down and place them against the ceiling, and you wind up with the same reflection it would have on the floor. If you could leave the speakers on the floor, and stand on the ceiling, would it be exactly the same?
Russell
I can only manage 5' 2" with the Maggies
Bev
Mark Levinson N°390s CD Through:Atlas Elektra XLR's To: Mark Levinson N°383 To: Magneplanar .7's
Mine are 34.5" (88cm) wide and 30.5" (77.5cm) tall, and positioned as intended: on the floor.
Barry
My current open baffles stand 4' 9" tall but are dwarfed by my previous Hedlund Horns which stood 6' 7" tall.
Source
SW1X Universal Music Server UMS I Signature with Power Supply Unit PSU I Signature
SW1X USB II
SW1X DAC III Special
Audiolab 6000 CDT transport
Amps
Pre amps -- Hi fi Collective twin mono ladder stepped attenuator, with Charcroft Z-foil and silver wired. And First Watt B1 active no gain buffer.
Power amps -- Welborne 45 SET monoblocks 1.8W / Decware Taboo 6W / Elekit 300B TU-8600SVK plus further improved components 9W / ICE Power 1000W
Speakers
Highly modified Endorphin P17 open baffle speakers containing both vintage and modern alnico drivers and paper cones. All silver wired - 8" Cube Audio FC8 full range drivers and vintage 15" Altec VOTT 416 bass drivers. All sat on Townsend Audio Podium seismic isolation platforms.
BK Electronics XLS400FF Sub.
Cabling
Silver mains cables, interconnects and speaker cables by SW1X
Headphones
HRT HeadStreamer and SennHeiser HD650 headphones
Location: Dagenham Essex
Posts: 11,215
I'm Allen.
I have a bedroom full of speakers on the first floor
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Ah that's where all the 2nd hand speakers have gone